Patents
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
John Oldham Steamship patent
Collection
Identifier: SC 08155
Content Description
Patent for the invention of improvements of his former patent (1817 October 18) propelling ships and vessels on seas, rivers and canals. Per wikipedia, "Oldham also paid attention to marine propulsion, and in 1817 he obtained a patent (No. 4169) for propelling ships by means of paddles worked by a steam-engine."
Dates:
1817
Found in:
Special Collections Research Center